Truebooker - Appointment Booking and Scheduler Plugin <= 1.1.4 - Sensitive Information Exposure via Views Files

5.3
Missing Authorization
CVE CVE-2026-1797
CVSS 5.3 (Medium)
Publicly Published March 30, 2026
Last Updated March 31, 2026
Researcher Kazuma Matsumoto - GMO Cybersecurity by IERAE, Inc.

Description

The Appointment Booking and Scheduler Plugin – Truebooker plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 1.1.4 through views php files. This makes it possible for unauthenticated attackers to view potentially sensitive information contained in the exposed views php files via direct access.

References

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Vulnerability Details for TrueBooker – Appointment Booking and Scheduler System

Software Type Plugin
Software Slug truebooker-appointment-booking (view on wordpress.org)
Patched? Yes
Remediation Update to version 1.1.5, or a newer patched version
Affected Version
  • <= 1.1.4
Patched Version
  • 1.1.5

Recent vulnerabilities in TrueBooker – Appointment Booking and Scheduler System

# Title CVE ID CVSS Researchers Date
1 TrueBooker <= 1.2.6 - Unauthenticated Authorization Bypass Through User-Controlled Key to Account Takeover to 'truebooker_wp_user_id' Parameter CVE-2026-18315 9.8 Décio Brandão August 18, 2026
2 TrueBooker <= 1.2.6 - Unauthenticated Account Takeover via Insecure Direct Object Reference in 'truebooker_wp_user_id' Parameter CVE-2026-16142 9.8 Nabil Irawan August 14, 2026
3 TrueBooker <= 1.2.3 - Missing Authorization to Unauthenticated Arbitrary Password Reset via 'tbab-userid' CVE-2026-14364 9.8 thevietronin August 6, 2026
4 TrueBooker <= 1.2.3 - Missing Authorization to Unauthenticated Arbitrary Password Reset via 'truebooker_wp_user_id' CVE-2026-14365 9.8 Nhien Pham (nhienit) (nhienit) August 6, 2026
5 TrueBooker <= 1.2.2 - Unauthenticated SQL Injection CVE-2026-13161 7.5 Karan J July 27, 2026
6 TrueBooker – Appointment Booking and Scheduler System <= 1.2.3 - Unauthenticated Privilege Escalation CVE-2026-61951 9.8 yangsori July 17, 2026
7 TrueBooker – Appointment Booking and Scheduler System <= 1.2.3 - Unauthenticated SQL Injection CVE-2026-61950 7.5 Nguyen Dinh Hai (HaiND) July 16, 2026
8 TrueBooker – Appointment Booking and Scheduler System <= 1.1.9 - Missing Authorization CVE-2026-48881 5.3 Vincent Sevkli June 2, 2026
9 TrueBooker <= 1.1.6 - Missing Authorization CVE-2026-39663 5.3 Nabil Irawan February 18, 2026
10 TrueBooker <= 1.1.0 - Missing Authorization CVE-2025-67581 5.3 daroo December 15, 2025

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